70645000

素因数分解:

$2^3\times 5^4\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:296

約数の個数: 80

約数和(自身を含む): 168696000

約数和(自身を除く): 98051000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 125, 142, 199, 200, 250, 284, 355, 398, 500, 568, 625, 710, 796, 995, 1000, 1250, 1420, 1592, 1775, 1990, 2500, 2840, 3550, 3980, 4975, 5000, 7100, 7960, 8875, 9950, 14129, 14200, 17750, 19900, 24875, 28258, 35500, 39800, 44375, 49750, 56516, 70645, 71000, 88750, 99500, 113032, 124375, 141290, 177500, 199000, 248750, 282580, 353225, 355000, 497500, 565160, 706450, 995000, 1412900, 1766125, 2825800, 3532250, 7064500, 8830625, 14129000, 17661250, 35322500, 70645000]

約数ペア:

[(1, 70645000), (2, 35322500), (4, 17661250), (5, 14129000), (8, 8830625), (10, 7064500), (20, 3532250), (25, 2825800), (40, 1766125), (50, 1412900), (71, 995000), (100, 706450), (125, 565160), (142, 497500), (199, 355000), (200, 353225), (250, 282580), (284, 248750), (355, 199000), (398, 177500), (500, 141290), (568, 124375), (625, 113032), (710, 99500), (796, 88750), (995, 71000), (1000, 70645), (1250, 56516), (1420, 49750), (1592, 44375), (1775, 39800), (1990, 35500), (2500, 28258), (2840, 24875), (3550, 19900), (3980, 17750), (4975, 14200), (5000, 14129), (7100, 9950), (7960, 8875)]